Resistors
A resistor is an electronic component that reduces the flow of current in a circuit. It is used to limit the amount of current flowing through a circuit, or to create a voltage drop in a circuit. One of the main uses of resistors is to protect components from too much current, which can cause damage or failure. Flux.ai is the world's largest community-driven public library of resistors, with footprints, symbols, datasheets, and simulation models. Whether you're an engineer working on a new design, or a student learning about electronics, Flux.ai is the go-to resource for all things resistor-related. With a wealth of information and resources available, you'll find everything you need to know about resistors, and more.
KRC119S
Description: KRC119S is a KEC NPN digital transistor with built-in bias resistors, 50 V / 100 mA rating, R1 4.7 kΩ and R2 10 kΩ, supplied in a SOT-23 package for switching, interface, and driver circuits. Keywords: KRC119S, NPN digital transistor, bias resistor transistor, SOT-23, switching driver
0 Uses0 StarsCFR-25JB-52-390R
390 Ohms ±5% 0.25W, 1/4W Through Hole Resistor Axial Automotive AEC-Q200 Carbon Film Carbon film resistor for general-purpose current limiting and voltage division, featuring 390 Ω resistance, ±5% tolerance, 0.25 W (1/4 W) power rating, and a maximum working voltage of 250 V. #CarbonFilmResistor #Resistor #390Ohm #0_25W #5PercentTolerance #ThroughHole #YAGEO
2 Uses0 StarsRC0603FR-075K1L
5.1 kOhms ±1% 0.1W, 1/10W Chip Resistor 0603 (1608 Metric) Moisture Resistant Thick Film Chip Resistor providing a fixed 5.1 kΩ resistance for general-purpose circuit applications. This RC0603 thick-film resistor features a 0603 (1608 Metric) package, ±1% resistance tolerance, 0.1 W (1/10 W) power rating, and a ±100 ppm/°C temperature coefficient, making it suitable for precision signal conditioning, biasing, and current-limiting circuits. #ChipResistor #ThickFilmResistor #0603 #5.1kOhm #0.1W #1Percent #100ppm #YAGEO
196 Uses0 StarsDRV8262QDDWRQ1
Bipolar Motor Driver NMOS On/Off, PWM 44-HTSSOP The DRV8262QDDWRQ1 is an automotive-qualified, high-power H-bridge motor driver from Texas Instruments designed for 24 V and 48 V automotive systems. It integrates two H-bridges capable of driving one or two brushed DC motors, a bipolar stepper motor, or thermoelectric coolers (TECs). The device features integrated high-side current sensing, programmable current regulation, and comprehensive protection functions, eliminating the need for external current-sense resistors while reducing PCB area and system cost. It supports wide supply voltages from 4.5 V to 60 V, making it suitable for demanding automotive body electronics and industrial motor control applications. Key Features Automotive AEC-Q100 Grade 1 qualified (-40°C to +125°C) Wide 4.5 V to 60 V operating supply voltage Dual H-bridge or single high-current H-bridge operation Drives: One or two brushed DC motors One bipolar stepper motor One or two thermoelectric coolers (TECs) Up to 8 A peak (dual H-bridge mode) Up to 16 A peak (single H-bridge mode) Low MOSFET on-resistance: 100 mΩ (dual H-bridge) 50 mΩ (single H-bridge) Integrated high-side current sensing with ±4% accuracy Programmable current regulation and current limiting Supports 1.8 V, 3.3 V, and 5 V logic interfaces Configurable PWM control modes (PH/EN or IN/IN) Ultra-low 3 µA sleep current Integrated protection features: Undervoltage Lockout (UVLO) Charge Pump Undervoltage (CPUV) Overcurrent Protection (OCP) Thermal Shutdown (OTSD) Fault output (nFAULT) Functional safety-capable with supporting documentation for automotive system design. #DRV8262QDDWRQ1 #MotorDriver #HBridge #AutomotiveElectronics #BrushedDCMotor #StepperMotor #CurrentSense #AECQ100 #TexasInstruments #EmbeddedSystems #PowerManagement #PCBDesign
91 Uses0 StarsCRM2512-FX-1R00ELF
1 Ohms ±1% 2W Chip Resistor 2512 (6332 Metric) Current Sense Thick Film The CRM2512-FX-1R00ELF specification defines the engineering requirements for a surface-mount current sense resistor designed for precision current measurement and power management applications. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure accurate resistance performance, efficient power dissipation, and long-term operational reliability in electronic systems. The component is intended for use in power supplies, battery management systems, motor control circuits, industrial automation equipment, and embedded electronic applications requiring precise current monitoring. The resistor provides a low-resistance element for current sensing while maintaining high measurement accuracy, thermal stability, and compatibility with automated surface-mount manufacturing processes. Engineering Requirements The resistor shall be manufactured using high-quality resistive materials and controlled fabrication processes to ensure stable resistance characteristics, low temperature coefficient, and reliable long-term performance. The construction shall provide consistent electrical behavior throughout the specified operating conditions without significant drift or degradation. Electrical characteristics shall ensure accurate resistance value, stable current sensing performance, and low inductance suitable for high-frequency switching environments. The component shall maintain its specified tolerance and thermal performance under continuous rated power and transient load conditions. Thermal performance shall support efficient heat dissipation through the package structure and printed circuit board interface. The resistor shall withstand normal solder reflow processes and maintain structural integrity during thermal cycling, vibration, and mechanical handling. Mechanical construction shall be compatible with standard surface-mount assembly processes and shall provide reliable solder joint formation. Workmanship shall be free from defects including cracks, delamination, contamination, plating irregularities, or structural inconsistencies that could adversely affect electrical or mechanical performance. Inspection, validation, and testing shall be conducted using calibrated equipment and controlled quality procedures to verify compliance with all applicable engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process. Documentation Supporting documentation shall include engineering drawings, electrical performance specifications, thermal characterization data, qualification reports, inspection records, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before implementation to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #CurrentSenseResistor #PowerElectronics #SurfaceMount #PrecisionResistor #IndustrialElectronics #PowerManagement #QualityAssurance #EngineeringDocumentation #ElectronicComponents
0 Uses0 StarsCSS4J-4026R-1L00F
1 mOhms ±1% 4W Chip Resistor Nonstandard Automotive AEC-Q200, Current Sense Metal Element Bourns Inc. CSS4J-4026R-1L00F is a high-power surface-mount current sense resistor designed for accurate current measurement in power electronics applications. It belongs to the CSS4J-4026 series and uses a metal element construction that provides low resistance, high power handling, and excellent stability for automotive and industrial applications. This device features a 1 mΩ resistance value, ±1% tolerance, and 4 W power rating, making it suitable for monitoring high-current paths while minimizing measurement losses. It is also qualified for AEC-Q200 automotive applications and operates across a wide temperature range. Key Features Component Type: SMD Current Sense Resistor (Metal Element / Metal Strip) Resistance Value: 1 mΩ (0.001 Ω) Resistance Tolerance: ±1% Power Rating: 4 W Package Size: 4026 (approx. 10.06 mm × 6.60 mm) Number of Terminals: 4 terminals (Kelvin sensing configuration) Temperature Coefficient: approximately ±75 ppm/°C Operating Temperature Range: −55°C to +170°C Construction: Metal element current shunt resistor for accurate current measurement Qualification: Automotive AEC-Q200 compliant Typical Applications Battery Management Systems (BMS) EV and automotive power systems Motor control circuits Power supplies and DC/DC converters Overcurrent monitoring and protection circuits Industrial power monitoring equipment #CommonPartsLibrary #Bourns #CSS4J4026 #CurrentSenseResistor #ShuntResistor #MetalElementResistor #AECQ200 #PowerElectronics #BatteryManagementSystem #EVElectronics #SMTComponents #PCBDesign
100 Uses0 StarsWSLP40261L000FEA
1 mOhms ±1% 7W Chip Resistor Nonstandard Anti-Sulfur, Automotive AEC-Q200, Current Sense, Pulse Withstanding Metal Element The WSLP40261L000FEA is a high-power Power Metal Strip® current sense resistor manufactured by Vishay Intertechnology, Inc. (Vishay Dale). It is a surface-mount, ultra-low resistance resistor designed for precision current measurement and power monitoring applications. The device features a 1 mΩ resistance value, ±1% tolerance, and 7 W power rating, making it suitable for high-current automotive, industrial, battery management, and power supply applications. The resistor uses a solid metal element construction with a 4-terminal Kelvin connection to improve measurement accuracy by minimizing parasitic resistance effects. It is AEC-Q200 qualified, making it suitable for demanding automotive environments requiring high reliability and stability. • High power to foot print size ratio • All welded construction of the Power Metal Strip® resistors are ideal for all types of current sensing, voltage division and pulse applications • Proprietary processing technique produces extremely low resistance values, down to 0.0002 Ω • Sulfur resistance by construction that is unaffected by high sulfur environments • Specially selected and stabilized materials allow for high power rating (to 12 W) • Solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/°C) • Very low inductance 0.5 nH to 5 nH • Low thermal EMF (< 3 μV/°C) • AEC-Q200 qualified (1) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 #WSLP40261L000FEA #Vishay #CurrentSenseResistor #PowerMetalStrip #ShuntResistor #LowOhmResistor #AECQ200 #AutomotiveElectronics #BMS #PowerElectronics #SMDResistor #PrecisionMeasurement
22 Uses0 Stars